An isolation circuit includes a first pad adapted to receive a control signal and a second pad adapted to receive another signal. A third pad is coupled to a microelectronic die and a device is provided to transfer the other signal from the second pad to the third pad in response to the control sign...http://www.google.com.tw/patents/US7378290?utm_source=gb-gplus-share專利 US7378290 - Isolation circuit
